A287143 - cp's OEIS frontend

A287143 Expansion of x(1 + 3x + x^2)/((1 - x)^5*(1 + x)^4).

n	a(n)
0	0
1	1
2	4
3	9
4	21
5	35
6	65
7	95
8	155
9	210
10	315
11	406
12	574
13	714
14	966
15	1170
16	1530
17	1815
18	2310
19	2695
20	3355
21	3861
22	4719
23	5369
24	6461
25	7280
26	8645
27	9660
28	11340
29	12580
30	14620
31	16116
32	18564
33	20349
34	23256
35	25365
36	28785
37	31255
38	35245
39	38115
40	42735
41	46046
42	51359
43	55154
44	61226
45	65550
46	72450
47	77350
48	85150
49	90675
50	99450
51	105651
52	115479

[0, 1, 4, 9, 21, 35, 65, 95, 155, 210, 315, 406, 574, 714, 966, 1170, 1530, 1815, 2310, 2695, 3355, 3861, 4719, 5369, 6461, 7280, 8645, 9660, 11340, 12580, 14620, 16116, 18564, 20349, 23256, 25365, 28785, 31255, 35245, 38115, 42735, 46046, 51359, 55154, 61226, 65550, 72450, 77350, 85150, 90675, 99450, 105651, 115479]

cp's OEIS Frontend

A287143 Expansion of x(1 + 3x + x^2)/((1 - x)^5*(1 + x)^4).

Table of values

List of values

cp's OEIS Frontend

A287143 Expansion of x*(1 + 3*x + x^2)/((1 - x)^5*(1 + x)^4).

Table of values

List of values

A287143 Expansion of x(1 + 3x + x^2)/((1 - x)^5*(1 + x)^4).